TEXAS · WELLS · ZAPATA COUNTY · API 42-505-35925 · DISTRICT 04
Alfonso #39
Zapata County · Charco (9200) field · Producing · Vertical
Alfonso #39 (API 42-505-35925) is a well in Zapata County operated by Hilcorp Energy Company, completed November 6, 2007 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 16, 2007, permitted to 10,500 ft.
It was permitted by Forest Oil Corporation and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 5 formation tops, including Perdido Unconformity, Top Perdido A, Base Perdido A, Top Perdido B.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Forest Oil Corporation; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Forest Oil CorporationAug 16, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Aug 16, 2007
- last permit issued
- Nov 6, 2007
- completed
- 0
- cumulative oil, bbl
- 664K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 6, 2007
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Alfonso G-4-234329 | Charco (9900) | Hilcorp Energy Company | 1 | 0 | 66.4K | Sep 2007 – Jul 2026 |
| Alfonso G-4-234464 | Charco (9200) | Hilcorp Energy Company | 1 | 0 | 598K | Nov 2007 – Jul 2026 |
Gas, mcf lease total
Last 12 months 10,747 · prior 12 10,736(+0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Forest Oil CorporationSep 2007 → Dec 2012
- 2Hilcorp Energy CompanyJan 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 642194-99 | Drill | Forest Oil Corporation | Jul 10, 2007 | Aug 16, 2007 | Aug 20, 2007 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 6, 2007 | Alfonso G-4-234464 | Charco (9200) | Hilcorp Energy Company | Producing | 10,500 |
| Sep 12, 2007 | Alfonso G-4-234329 | Charco (9900) | Hilcorp Energy Company | SWR-10-Well · shut in Oct 1, 2007 | 10,500 |
Formation tops
As filed on W-2/G-1. Subsea from 384 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Perdido Unconformity | 9,443 | -9,059 |
| Top Perdido A | 9,504 | -9,120 |
| Base Perdido A | 9,600 | -9,216 |
| Top Perdido B | 9,959 | -9,575 |
| Base Perdido B | 10,022 | -9,638 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,522 | 9,528 | Perforated |
| 9,551 | 9,556 | Perforated |
| 9,573 | 9,582 | Perforated |
| 9,960 | 9,962 | Perforated |
| 9,964 | 9,970 | Perforated |
| 9,976 | 9,981 | Perforated |
| 9,990 | 9,994 | Perforated |
| 10,004 | 10,007 | Perforated |
| 10,018 | 10,021 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 772 | 12.25 | 300 S |
| 7 | 8,879 | 8.75 | 400 S |
| 3.5 | 10,487 | 6.125 | 255 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 30, 2008 | Dec 5, 2007 | — |
| 00 | Apr 30, 2008 | Oct 9, 2007 | Yes |
| 00 | Apr 23, 2008 | — | — |
| 00 | Apr 15, 2008 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-505-35925 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-35925 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/50535925, documented in the API reference.